Roman Imperial
Constantius II (337-361 AD) Nicomedia.
AE Follis (23.1m, 4.4g)
Obv: D N CONSTANTIVS P F AVG - Diademed, draped and cuirassed bust right.
Rev: FEL TEMP REPARATIO / Γ / SMNB - Soldier left, holding shield and spearing fallen horseman to lower left.
RIC 84.